Based on order of intensity or frequency of severe congestion. Excludes central London. Sources: Trafficmaster; Highways Agency; Scottish Executive.

M62

Junctions 24 - 27

The UK's ninth most congested stretch of road. Serves as a trunk route between north west and north east England. Commuter traffic to and from Huddersfield, Halifax, Bradford, Leeds and the smaller West Riding towns also use it.

Congestion on this stretch of motorway has been scrutinised in a major transport study of the area, the recommendations of which are currently with ministers.